Like the above poster, Samsung Captivate for me. It doesn't always like me, but I enjoy having a smartphone that isn't made by those jerks at Apple. I'm not brainwashed unlike most of the unfortunate saps in my family.
I plan on sticking with Android. I especially like that I can play ROMs on it even when it isn't rooted, though I kind of want to root it just to get rid of all the bloatware that came pre-installed (some of it runs in the background too, eww...)